Funny One

Riddle: I can't be seen, found, heard or smelled. I lie behind stars and under hills, I fill empty holes, come first and follow after. What am I?

Answer:

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Source: https://www.riddles.com/7139

I can't be seen, found, heard or smelled. I lie behind stars and under hills, I fill empty holes, come first and follow after. What am I? — funny one by lillie v1.

Riddle: I can't be seen, found, heard or smelled. I lie behind stars and under hills, I fill empty holes, come first and follow after. What am I? Answer: The dark. — by lillie v2.